Base | Representation |
---|---|
bin | 111001110101011… |
… | …011001110111001 |
3 | 2111121210200021101 |
4 | 321311123032321 |
5 | 3441344301424 |
6 | 240141011401 |
7 | 33021316615 |
oct | 7165331671 |
9 | 2447720241 |
10 | 970306489 |
11 | 458792699 |
12 | 230b53b61 |
13 | 126041869 |
14 | 92c1c345 |
15 | 5a2b8344 |
hex | 39d5b3b9 |
970306489 has 4 divisors (see below), whose sum is σ = 970649680. Its totient is φ = 969963300.
The previous prime is 970306487. The next prime is 970306523. The reversal of 970306489 is 984603079.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 970306489 - 21 = 970306487 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (970306483) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167319 + ... + 173020.
It is an arithmetic number, because the mean of its divisors is an integer number (242662420).
Almost surely, 2970306489 is an apocalyptic number.
It is an amenable number.
970306489 is a deficient number, since it is larger than the sum of its proper divisors (343191).
970306489 is a wasteful number, since it uses less digits than its factorization.
970306489 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 343190.
The product of its (nonzero) digits is 326592, while the sum is 46.
The square root of 970306489 is about 31149.7430005450. The cubic root of 970306489 is about 990.0025470125.
The spelling of 970306489 in words is "nine hundred seventy million, three hundred six thousand, four hundred eighty-nine".
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